1 two

2 2

3 (Beijing dialect) stupid

1 twelve

2 12

1 grave

2 serious

3 severe

4 critical

1 root

2 basis

3 classifier for long slender objects, e.g. cigarettes, guitar strings

4 classifier: 条 tiáo

5 radical (chemistry)

1 fundamental

2 basic

3 root

4 simply

5 absolutely (not)

6 (not) at all

7 classifier: 个 gè

1 don't do it, or don't rest (idiom); either give up, or go through to the end

2 Since we started, we must carry it through whatever happens.

3 in for a penny, in for a pound

1 thoroughly (idiom)

2 completely

3 one and all

4 very clean

1 one divides into two

2 to be two-sided

3 there are two sides to everything

4 to see both sb's good points and shortcomings (idiom)

1 to make a terrible scene (idiom)

2 to throw a tantrum

1 unfamiliar at first, but well accustomed soon enough (idiom)